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Matthias Braun 3a6f6d93bf X86: Do not use llc -march in tests.

`llc -march` is problematic because it only switches the target
architecture, but leaves the operating system unchanged. This
occasionally leads to indeterministic tests because the OS from
LLVM_DEFAULT_TARGET_TRIPLE is used.

However we can simply always use `llc -mtriple` instead. This changes
all the tests to do this to avoid people using -march when they copy and
paste parts of tests.

See also the discussion in https://reviews.llvm.org/D35287

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@309774 91177308-0d34-0410-b5e6-96231b3b80d8

2017-08-02 00:28:10 +00:00

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 ; RUN: llc < %s -O0 -mtriple=x86_64--
 ; rdar://8204072
 ; PR7652
 @sc = external global i8
 @uc = external global i8
 define void @test_fetch_and_op() nounwind {
 entry:
   %tmp40 = atomicrmw and i8* @sc, i8 11 monotonic
   store i8 %tmp40, i8* @sc
   %tmp41 = atomicrmw and i8* @uc, i8 11 monotonic
   store i8 %tmp41, i8* @uc
   ret void
 }